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diff --git a/src/qmlstreamer/q3dsqmlstreamproxy.h b/src/qmlstreamer/q3dsqmlstreamproxy.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3DS_QMLSTREAM_PROXY_H
+#define Q3DS_QMLSTREAM_PROXY_H
+
+#include <QtCore/QObject>
+#include <QtCore/QEvent>
+#include <QtCore/QString>
+#include <QtCore/QVector>
+#include <QtQml/QQmlEngine>
+
+#include "q3dsqmlstreamproducer.h"
+#include "q3dsqmlsubpresentationsettings.h"
+
+class Q3DS_QMLSTREAMERSHARED_EXPORT Q3DSQmlStreamProxy : public QObject
+{
+    Q_OBJECT
+
+public:
+    Q3DSQmlStreamProxy(QObject *parent = nullptr);
+    ~Q3DSQmlStreamProxy();
+
+    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    void registerPresentation(const QString &presentationId, const QString &args);
+    void unregisterPresentation(const QString &presentationId);
+    void setSettings(Q3DSSubPresentationSettings *settings);
+    void setPath(const QString& path);
+    void setEngine(QQmlEngine *engine);
+
+private:
+    void loadPresentationItem(const QString& presentationId, const QString& presentationArgs);
+    void itemLoaded();
+    QUrl pathToUrl(const QString &path);
+
+    QQmlEngine *m_engine;
+    Q3DSSubPresentationSettings *m_settings;
+    QMap<QString, Q3DSQmlStreamProducer *> m_streamProducers;
+    struct renderitem {
+        QString args;
+        QString presentationId;
+        QQmlComponent *component;
+        QQuickItem *item;
+        renderitem()
+            : component(nullptr), item(nullptr) {}
+        ~renderitem();
+    };
+
+    QUrl m_path;
+    QVector<renderitem *> m_loadedItems;
+};
+
+#endif // Q3DS_QMLSTREAM_PROXY_H